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What would be the best fitting versions of the word "equals" and "does not equal"?

For equals, the word I was told was Gleich but when i entered that in Google translate it shows "equal" which grammatically does not make sense.

And for "does not equal" I got the word Ungleich from someone, but again when I went to verify, the word I saw that it translated to was "unequal". So technically perhaps correct but when in the context of programming, I imagine there are more standard words for this.

I recommend if natural language should be part of a software to have a look into fuzzy logic and implement the fuzziness of natural language down to the control circuit itself. Then, the user could write things like Es ist drinnen viel zu heiß. and the computer understands room temperature == much too hot and can react accordingly. ("much too hot" being one of two dozen different fuzzy values to select from.) This eliminates the need to ever set numeric temperature and other values which no one ever has a grab on.
– JankaSep 17 '18 at 18:55

I guess (relative) Luftfeuchtigkeit is intended. While I like the push towards shorter words, I would not recommend to abbbreviate this to Feuchte, which is marked as elevated technical term by Duden.
– guidotSep 18 '18 at 12:41